package heartbeattest;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.handler.timeout.IdleStateEvent;

/**
 * @author RJA
 * @version V1.0
 * @Title: heartbeattest.demo_1
 * @Description:
 * @date 2019/7/9 19:28
 */
public class HeartbeatHandler extends ChannelInboundHandlerAdapter{

    @Override
    public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
        if(evt instanceof IdleStateEvent){
            IdleStateEvent event = (IdleStateEvent)evt;
            String eventType = null;
            switch (event.state()){
                case READER_IDLE:
                    eventType = "读空闲";break;
                case WRITER_IDLE:
                    eventType = "写空闲";break;
                case ALL_IDLE:
                    eventType = "读写空闲";break;
            }
            System.out.println(ctx.channel().remoteAddress() + "触发事件：" + eventType);
            ctx.channel().close();
        }
    }
}
